Merge branch 'master' of github.com:Nheko-Reborn/mtxclient into gitlab-ci2

.gitignore

.gitlab-ci.yml

CMakeLists.txt

Doxyfile

Doxyfile-mcss

appveyor.yml

docs/dirs.dox

docs/index.md

include/mtx.hpp

include/mtx/common.hpp

include/mtx/errors.hpp

include/mtx/events.hpp

include/mtx/events/account_data/fully_read.hpp

include/mtx/events/aliases.hpp

include/mtx/events/avatar.hpp

include/mtx/events/canonical_alias.hpp

include/mtx/events/collections.hpp

include/mtx/events/common.hpp

include/mtx/events/create.hpp

include/mtx/events/encrypted.hpp